Add 90/10 and 98/28
1st number: 9 0/10, 2nd number: 3 14/28
90/10 + 98/28 is 25/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 10 × 14 = 140,
90/10 = 90 × 14/10 × 14 = 1260/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
98/28 = 98 × 5/28 × 5 = 490/140 - Add the two like fractions:
1260/140 + 490/140 = 1260 + 490/140 = 1750/140 - 1750/140 simplified gives 25/2
- So, 90/10 + 98/28 = 25/2
In mixed form: 121/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20+98/28 90/10+98/56 90/30+98/28 90/10+98/84 90/50+98/28 90/70+98/28